Afonso, Óscar and Nuno Gonçalves (2011); “The Portuguese Non-Observed Economy“, Advances in Management and Applied Economics, 1(2), pp. 23-57.
Afonso, Óscar and Nuno Gonçalves (2011); “The Portuguese Non-Observed Economy“, Advances in Management and Applied Economics, 1(2), pp. 23-57.